133282544 has 20 divisors (see below), whose sum is σ = 260210280. Its totient is φ = 66131520.

The previous prime is 133282543. The next prime is 133282561. The reversal of 133282544 is 445282331.

It is a super-2 number, since 2×133282544² = 35528473070223872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133282544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133282543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29699 + ... + 33890.

It is an arithmetic number, because the mean of its divisors is an integer number (13010514).

Almost surely, 2^133282544 is an apocalyptic number.

It is an amenable number.

133282544 is a deficient number, since it is larger than the sum of its proper divisors (126927736).

133282544 is a wasteful number, since it uses less digits than its factorization.

133282544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63728 (or 63722 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 133282544 is about 11544.8059316733. The cubic root of 133282544 is about 510.8080794489.

The spelling of 133282544 in words is "one hundred thirty-three million, two hundred eighty-two thousand, five hundred forty-four".